package fristphase.day02;

public class Number1到100的和 {
    public static void main(String[] args) {
        int sum = 0;
        for(int i = 1 ; i <= 100; i++){
            if(i%2 == 0) {
                sum += i;
            }
        }
        System.out.println(sum);
    }

}
